-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-typo3-14.1-jessie-amd64-vmdk.zip.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-typo3-14.1-jessie-amd64-vmdk.zip fe22155d0af41fedd58c8c58bd90b39d $ sha1sum turnkey-typo3-14.1-jessie-amd64-vmdk.zip 0356e3b9a98f164d868ddd1e7294c1a83c984323 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn8AAoJEIXCXpWhbrlNCYwH/R4tPoM0SexQfvwvYGZdZR0x IwL5gkfkdoVuub7nrO4+Nl3ewWlnoeZhQbVbuhAMHfQ9WLnn3aNY2vO35+N3wXGh SxloEobbHT3JMcUSKZ8z1WcPZz3DaoBXabrmVTCqDAR4fy1+tF/bvmbN2lP0HXSZ u8LTmGjZHhfUpO7CAGCxI+QgkJOs93WsC/P2uc+G3gZOUoSkMB4YTSsFngaEwmTa Ur1grpnj+14oy59lvfsdrgshZqjvqQk6fpRny7bKajPl6pK3JeIIUA6M2qN8oQ2g Jt/lFlzSmH9tRiNtCCxZcpeccrIQchntMiFJ65nI5knzGlkdeh9lBpxYBniSsAY= =HywP -----END PGP SIGNATURE-----